| Houston to Anoka (Minnesota) | 1,071.21 mi (1,723.95 km) |
| Houston to Ansonia (Connecticut) | 1,480.22 mi (2,382.19 km) |
| Houston to Antelope (California) | 1,599.41 mi (2,574.01 km) |
| Houston to Anthem (Arizona) | 1,020.19 mi (1,641.84 km) |
| Houston to Antioch (California) | 1,610.23 mi (2,591.42 km) |
| Houston to Antioch (Illinois) | 966.13 mi (1,554.83 km) |
| Houston to Apache Junction (Arizona) | 981.35 mi (1,579.32 km) |
| Houston to Apex (North Carolina) | 1,041.82 mi (1,676.65 km) |
| Houston to Apollo Beach (Florida) | 798.47 mi (1,285.01 km) |
| Houston to Apopka (Florida) | 838.24 mi (1,349.02 km) |
| Houston to Apple Valley (California) | 1,315.01 mi (2,116.31 km) |
| Houston to Apple Valley (Minnesota) | 1,040.49 mi (1,674.50 km) |
| Houston to Appleton (Wisconsin) | 1,072.11 mi (1,725.39 km) |
| Houston to Arbutus (Maryland) | 1,245.16 mi (2,003.89 km) |
| Houston to Arcadia (California) | 1,358.17 mi (2,185.77 km) |
